Why I didn't got those 10 dung keys. Did everything we had to do :/
Please file a support ticket here then. http://www.aeriagames.com/contact/support
Missed Promotion I believe would be the case. In this case you would need to include details probably (screenshots may suffice) to prove why you didn't get the rewards if you had said you have done everything correctly.
this part first. It also says theres a 4-7 business day wait time for all rewards to be paid out, so if you don't get it by then, then I would suggest sending the ticket. Otherwise please be patient.